Strength training - Wikipedia
Weights for each exercise should be chosen so that the desired number of repetitions can just be achieved. Progressive overload. In one common method, weight training uses the principle of progressive overload, in which the muscles are overloaded by attempting to lift at least as much weight as they are capable. They respond by growing larger and stronger.

Rowing - the physical demands - BrianMac
Much of your "conditioning" work will be done in the winter months when you will be rowing heavy mileages. It is normal for a large part of this work to be done on a rowing ergometer rather than the water, because of light and water conditions. The intensity of this work has to be low, because if ...

Interval Training | Concept2
What are Intervals? An interval workout consists of bouts of high intensity work alternating with periods of lower intensity or rest. By varying the length of the work interval and the length of the rest interval, a wide variety of workouts can be designed to achieve a range of goals. Here are some common questions about intervals Interval Q and A Q. Intervals are only important for ...

Strength Training - KidsHealth
Is working out with weights safe for teens? The best way to build muscle tone and definition is to combine aerobic and flexibility exercises with the right kind of strength training.